Difference between calcium carbonate and calcium oxide

The differences are listed below.

Explanation:

A trivial explanation would be: those are different compounds belonging to different classes (categories) of chemical substances.

Let's look at several differences that these two compounds have:

calcium carbonate has a chemical formula of and calcium oxide has a chemical formula of ;calcium carbonate is considered to be a salt, while calcium oxide simply belongs to the class of basic (metallic) oxides;calcium carbonate is insoluble in water, it doesn't dissociate in water and doesn't react with it in any other way. In contrast, calcium oxide reacts with water to produce calcium hydroxide;calcium carbonate has a much lower melting point compared to calcium oxide. This is due to the fact that in CaO, calcium is bonded to a very small oxygen anion as opposed to a bulky carbonate anion in calcium carbonate. This yields a much greater Coulombic attraction force in CaO and a much higher melting point.another difference would simply be the fact that calcium carbonate consists of 3 different elements, calcium, carbon and oxygen, while CaO only consists of 2 different elements, calcium and oxygen.

In chemistry, neutralization is a chemical reaction in which an acid and a base react quantitatively with each other. In a reaction in water, neutralization results in there being no excess of hydrogen or hydroxide ions present in the solution.

New substances called SALTS and water are formed in neutralization reactions. For example, hydrochloric acid and sodium hydroxide solution react together to form water and sodium chloride solution. The H+ ions and OH– ions produce the water, and the Na+ ions and Cl– ions produce the sodium chloride, NaCl(aq).